Optical measurement of discharge pattern in dielectric barrier discharge system

Weili Liu; Lifang Dong; Hongfang Wang; Yafeng He

doi:10.1117/12.757652

28 November 2007 Optical measurement of discharge pattern in dielectric barrier discharge system

Weili Liu, Lifang Dong, Hongfang Wang, Yafeng He

Proceedings Volume 6834, Optical Design and Testing III; 68343H (2007) https://doi.org/10.1117/12.757652
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

A honeycomb hexagonal pattern is observed in a dielectric barrier discharge system, which bifurcates from a square pattern. As the filaments composing the pattern emit visible light, an optical system is specially designed to study the spatiotemporal dynamics of the honeycomb hexagonal pattern. The light emitted from pattern, one honeycomb-like cell, filaments in a line of a cell, and a single filament are detected, respectively. The measurement on spatiotemporal correlation between two different individual filaments is also performed. It is found that the honeycomb hexagonal patternis an interleaving of three hexagonal sublattices discharging harmonically and subharmonically. It is found experimentally that the discharge current signals have three pulses in each half cycle of the driven voltage. Its characteristics are also investigated by measuring FWHMs and peak voltages of the three discharge pulses, as well as the time intervals between peaks of different pulses, respectively.

Citation Download Citation

Weili Liu, Lifang Dong, Hongfang Wang, and Yafeng He "Optical measurement of discharge pattern in dielectric barrier discharge system", Proc. SPIE 6834, Optical Design and Testing III, 68343H (28 November 2007); https://doi.org/10.1117/12.757652

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